|
Segment Information on Depreciation Amortization and Depletion Expense (Detail) (USD $)
In Thousands, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2012
|
Dec. 31, 2011
|
Dec. 31, 2010
|
|
| Segment Reporting Information [Line Items] | |||
| Total depreciation | $ 8,994 | $ 10,837 | $ 8,002 |
|
Poland
|
|||
| Segment Reporting Information [Line Items] | |||
| Total depreciation | 2,264 | 2,276 | 2,123 |
|
Russia
|
|||
| Segment Reporting Information [Line Items] | |||
| Total depreciation | 6,499 | 8,187 | 5,467 |
|
Hungary
|
|||
| Segment Reporting Information [Line Items] | |||
| Total depreciation | 229 | 361 | 406 |
|
Corporate
|
|||
| Segment Reporting Information [Line Items] | |||
| Total depreciation | $ 2 | $ 13 | $ 6 |